基于51单片机的简易电子表

基于51单片机的简易电子表/*阿斌独家制作: 电子表 1602液晶显示 带有闹钟功能 每天到指定时间后闹钟提醒闹钟响后按s4键关闭闹钟 如果闹钟响后大约20秒未检测到s4键按下，则闹钟自动关闭*/主程序：#includereg52.h#define uchar unsigned char#define uint unsigned int sbit lcden=P22;sbit lcdrw=P21;sbit lcdrs=P20;sbit s1=P30;sbit s2=P31;sbit s3=P32;sbit s4=P33;sbit rd=P37;sbit beep=P12;uint nian,a;uchar count,s1num,i,xq,ri,yue,flag;char shi,fen,miao,shia,fena,miaoa;uchar code table= 2012-11-19 MON;uchar code table1= 00:00:00;uchar code xq1=MON;uchar code xq2=TUE;uchar code xq3=WED;uchar code xq4=THU;uchar code xq5=FRI;uchar code xq6=SAT;uchar code xq7=SUN;void delay(uint z)uint x,y;for(x=z;x0;x-)for(y=110;y0;y-);void didi()beep=1;delay(5);beep=0;delay(5);beep=1;delay(5);beep=0;delay(5);void write_com(uchar com)lcdrs=0;lcden=0;lcdrw=0;P0=com;delay(5);lcden=1;delay(5);lcden=0;void write_date(uchar date)lcdrs=1;lcden=0;lcdrw=0;P0=date;delay(5);lcden=1;delay(5);lcden=0;void init()uchar num;lcden=0;xq=1;ri=19;yue=11;nian=2012;a=1000;flag=0;shia=00;fena=00;miaoa=05;write_com(0x38);write_com(0x0c);write_com(0x06);write_com(0x01);write_com(0x80);for(num=0;num16;num+)write_date(tablenum);delay(5);write_com(0x80+0x40);for(num=0;num12;num+)write_date(table1num);delay(5);TMOD=0x01;TH0=(65536-50000)/256;TL0=(65536-50000)%256;EA=1;ET0=1;TR0=1;void write_sfm2(uchar add,uint date)uchar qian,bai,shi,ge;qian=date/1000;bai=date%1000/100;shi=date%100/10;ge=date%10;write_com(0x80+add);write_date(0x30+qian);write_date(0x30+bai);write_date(0x30+shi);write_date(0x30+ge);void write_sfm1(uchar add,uchar date)uchar shi,ge;shi=date/10;ge=date%10;write_com(0x80+add);write_date(0x30+shi);write_date(0x30+ge);void write_sfm(uchar add,uchar date)uchar shi,ge;shi=date/10;ge=date%10;write_com(0x80+0x40+add);write_date(0x30+shi); write_date(0x30+ge);void write_xq()write_com(0x80+13);switch(xq)case 1: for(i=0;i3;i+)write_date(xq1i);delay(5); break;case 2: for(i=0;i3;i+)write_date(xq2i);delay(5); break;case 3: for(i=0;i3;i+)write_date(xq3i);delay(5); break;case 4: for(i=0;i3;i+)write_date(xq4i);delay(5); break;case 5: for(i=0;i3;i+)write_date(xq5i);delay(5); break;case 6: for(i=0;i3;i+)write_date(xq6i);delay(5); break;case 7: for(i=0;i3;i+)write_date(xq7i);delay(5); break;default: break;void keyscan1()if(s4=0)delay(5);if(s4=0)while(!s4);flag=1;void keyscan()rd=0;if(s1=0)delay(5);if(s1=0)s1num+;while(!s1);if(s1num=1)TR0=0;write_com(0x80+0x40+10);write_com(0x0f);if(s1num=2)write_com(0x80+0x40+7);if(s1num=3)write_com(0x80+0x40+4);if(s1num=4)write_com(0x80+13);if(s1num=5)write_com(0x80+10);if(s1num=6)write_com(0x80+7);if(s1num=7)write_com(0x80+2);if(s1num=8)s1num=0;write_com(0x0c);TR0=1;if(s1num!=0)if(s2=0)delay(5);if(s2=0)while(!s2);if(s1num=1)miao+;if(miao=60)miao=0;write_sfm(10,miao);write_com(0x80+0x40+10);if(s1num=2)fen+;if(fen=60)fen=0;write_sfm(7,fen);write_com(0x80+0x40+7);if(s1num=3)shi+;if(shi=24)shi=0;write_sfm(4,shi);write_com(0x80+0x40+4);if(s1num=4)xq+;if(xq=8)xq=1;write_xq();write_com(0x80+13);if(s1num=5)ri+;switch(yue)case 1: case 3: case 5: case 7: case 8: case 10: case 12: if(ri=32) ri=1; break;case 4: case 6: case 9: case 11: if(ri=31) ri=1; break;case 2: if(nian%4=0nian%100!=0|nian%400=0) if(ri=30)ri=0;else if(ri=29)ri=0;break;write_sfm1(10,ri);write_com(0x80+10);if(s1num=6)yue+;if(yue=13)yue=1;write_sfm1(7,yue);write_com(0x80+7);if(s1num=7)nian+;if(nian=2100)nian=2000;write_sfm2(2,nian);write_com(0x80+2);if(s3=0)delay(5);if(s3=0)while(!s3);if(s1num=1)miao-;if(miao=-1)miao=59;write_sfm(10,miao);write_com(0x80+0x40+10);if(s1num=2)fen-;if(fen=-1)fen=59;write_sfm(7,fen);write_com(0x80+0x40+7);if(s1num=3)shi-;if(shi=-1)shi=23;write_sfm(4,shi);write_com(0x80+0x40+4);if(s1num=4)xq-;if(xq=0)xq=7;write_xq();write_com(0x80+13);if(s1num=5)ri-;switch(yue)case 1: case 3: case 5: case 7: case 8: case 10: case 12: if(ri=0) ri=31; break;case 4: case 6: case 9: case 11: if(ri=0) ri=30; break;case 2: if(nian%4=0nian%100!=0|nian%400=0) if(ri=0)ri=29;else if(ri=0)ri=28;break;write_sfm1(10,ri);write_com(0x80+10);if(s1num=6)yue-;if(yue=0)yue=12;write_sfm1(7,yue);write_com(0x80+7);if(s1num=7)nian-;if(nian=1999)nian=2099;write_sfm2(2,nian);write_com(0x80+2);void set_alarm()if(shi=shiafen=fenamiao=miaoa)while(a-)didi();keyscan1();if(flag=1)flag=0;break;a=1000;void main()init();while(1)keyscan();set_alarm();void timer0() interrupt 1TH0=(65536-50000)/256;TL0=(65536-50000)%256;count+;if(count=18)count=0;miao+;if(miao=60)miao=0;fen+;if(fen=60)fen=0;shi+;if(shi=24)shi=0;xq+;if(xq=8)xq=1;write_xq();ri+;switch(yue)case 1: case 3: case 5: case 7: case 8: case 10: case 12: if(ri=32) ri=1; break;case 4: case 6: case 9: case 11: if(ri=31) ri=1; break;case 2: if(nian%4=0nian%100!=0|nian%400